const Koa = require('koa');
const app = new Koa();
const views = require('koa-views');
const json = require('koa-json');
const onerror = require('koa-onerror');
const bodyparser = require('koa-bodyparser');
const logger = require('koa-logger');
const config = require('./config/config.local');
const index = require('./routes/index');

// start polling to listen to AWS SQS
// const sqsListener = require('./app/service/subscription/sqsListener');

// error handler
onerror(app);

// middlewares
app.use(bodyparser({
  enableTypes:['json', 'form', 'text']
}));
app.use(json());
app.use(logger());
app.use(require('koa-static')(__dirname + '/public'));

app.use(views(__dirname + '/views', {
  extension: 'pug'
}));

// JM: 2021/01/03, move to lambda disable this function here
// const subscription = require('./app/service/subscription/index');
// (async() => {
//     await subscription.receive();
// })();

const PTCore = require('pt-core-common');
(async() => {
    await PTCore.rpc.serviceDiscoveryPolling.polling();
    console.log(PTCore.rpc.serviceDiscoveryPolling.Services);
})();

// logger
app.use(async (ctx, next) => {
  const start = new Date();
  await next();
  const ms = new Date() - start;
  console.log(`${ctx.method} ${ctx.url} - ${ms}ms`)
});

// routes
app.use(index.routes(), index.allowedMethods());

// error-handling
app.on('error', (err, ctx) => {
  console.error('server error', err, ctx);
  console.log(err);
});

module.exports = app;